| /* |
| * Copyright 2012 Red Hat Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: Ben Skeggs |
| */ |
| |
| #include "drmP.h" |
| #include "nouveau_drv.h" |
| #include "nouveau_ramht.h" |
| #include "nouveau_software.h" |
| #include "nouveau_hw.h" |
| |
| struct nv04_software_priv { |
| struct nouveau_software_priv base; |
| }; |
| |
| struct nv04_software_chan { |
| struct nouveau_software_chan base; |
| }; |
| |
| static int |
| mthd_fence(struct nouveau_channel *chan, u32 class, u32 mthd, u32 data) |
| { |
| atomic_set(&chan->fence.last_sequence_irq, data); |
| return 0; |
| } |
| |
| static int |
| mthd_flip(struct nouveau_channel *chan, u32 class, u32 mthd, u32 data) |
| { |
| |
| struct nouveau_page_flip_state state; |
| |
| if (!nouveau_finish_page_flip(chan, &state)) { |
| nv_set_crtc_base(chan->dev, state.crtc, state.offset + |
| state.y * state.pitch + |
| state.x * state.bpp / 8); |
| } |
| |
| return 0; |
| } |
| |
| static int |
| nv04_software_context_new(struct nouveau_channel *chan, int engine) |
| { |
| struct nv04_software_chan *pch; |
| |
| pch = kzalloc(sizeof(*pch), GFP_KERNEL); |
| if (!pch) |
| return -ENOMEM; |
| |
| nouveau_software_context_new(&pch->base); |
| atomic_set(&chan->fence.last_sequence_irq, 0); |
| chan->engctx[engine] = pch; |
| return 0; |
| } |
| |
| static void |
| nv04_software_context_del(struct nouveau_channel *chan, int engine) |
| { |
| struct nv04_software_chan *pch = chan->engctx[engine]; |
| chan->engctx[engine] = NULL; |
| kfree(pch); |
| } |
| |
| static int |
| nv04_software_object_new(struct nouveau_channel *chan, int engine, |
| u32 handle, u16 class) |
| { |
| struct drm_device *dev = chan->dev; |
| struct nouveau_gpuobj *obj = NULL; |
| int ret; |
| |
| ret = nouveau_gpuobj_new(dev, chan, 16, 16, 0, &obj); |
| if (ret) |
| return ret; |
| obj->engine = 0; |
| obj->class = class; |
| |
| ret = nouveau_ramht_insert(chan, handle, obj); |
| nouveau_gpuobj_ref(NULL, &obj); |
| return ret; |
| } |
| |
| static int |
| nv04_software_init(struct drm_device *dev, int engine) |
| { |
| return 0; |
| } |
| |
| static int |
| nv04_software_fini(struct drm_device *dev, int engine, bool suspend) |
| { |
| return 0; |
| } |
| |
| static void |
| nv04_software_destroy(struct drm_device *dev, int engine) |
| { |
| struct nv04_software_priv *psw = nv_engine(dev, engine); |
| |
| NVOBJ_ENGINE_DEL(dev, SW); |
| kfree(psw); |
| } |
| |
| int |
| nv04_software_create(struct drm_device *dev) |
| { |
| struct drm_nouveau_private *dev_priv = dev->dev_private; |
| struct nv04_software_priv *psw; |
| |
| psw = kzalloc(sizeof(*psw), GFP_KERNEL); |
| if (!psw) |
| return -ENOMEM; |
| |
| psw->base.base.destroy = nv04_software_destroy; |
| psw->base.base.init = nv04_software_init; |
| psw->base.base.fini = nv04_software_fini; |
| psw->base.base.context_new = nv04_software_context_new; |
| psw->base.base.context_del = nv04_software_context_del; |
| psw->base.base.object_new = nv04_software_object_new; |
| nouveau_software_create(&psw->base); |
| |
| NVOBJ_ENGINE_ADD(dev, SW, &psw->base.base); |
| if (dev_priv->card_type <= NV_04) { |
| NVOBJ_CLASS(dev, 0x006e, SW); |
| NVOBJ_MTHD (dev, 0x006e, 0x0150, mthd_fence); |
| NVOBJ_MTHD (dev, 0x006e, 0x0500, mthd_flip); |
| } else { |
| NVOBJ_CLASS(dev, 0x016e, SW); |
| NVOBJ_MTHD (dev, 0x016e, 0x0500, mthd_flip); |
| } |
| |
| return 0; |
| } |